DOCS: added documentation to find_extension and removed redundant

asterisks from comments

include/image/utils.h

@@ -47,7 +47,7 @@ extern const char* error_messages[];
  * @brief Max value for any channel
  * @details For alpha channel this is the max opacity setting and 0 is fully
  * transparent, 255 is white for any color and 0 is black.
- * */
+ */
 #define MAX 255
 #define HALF_MAX \
 	((int)(MAX / 2) + 1) /**< Half Max Color Value for any channel */
@@ -70,7 +70,7 @@ extern const char* error_messages[];
  * @param[in] g The green channel stored as char and packed into int
  * @param[in] b The blue channel stored as char and packed into int
  *
- * */
+ */
 #define ENCODE_RGB(r, g, b)                                                    \
 	(((unsigned int)(MAX) << SHIFT_24) | ((unsigned int)(r) << SHIFT_16) | \
 	 ((unsigned int)(g) << SHIFT_8) | (unsigned int)(b))
@@ -85,7 +85,7 @@ extern const char* error_messages[];
  * @param[in] g The green channel stored as char and packed into int
  * @param[in] b The blue channel stored as char and packed into int
  *
- * */
+ */
 #define ENCODE_ARGB(a, r, g, b)                                              \
 	(((unsigned int)(a) << SHIFT_24) | ((unsigned int)(r) << SHIFT_16) | \
 	 ((unsigned int)(g) << SHIFT_8) | (unsigned int)(b))
@@ -95,7 +95,7 @@ extern const char* error_messages[];
  * @details Takes in a value of X and checks if it is Above the Max of 255. If
  * so, then set to Max. If not, then simply set back to whatever X was before.
  * @param[in] x Color channel: char
- * */
+ */
 #define CLAMP_MAX(x) (((x) > MAX) ? MAX : (x))
 
 /**
@@ -103,14 +103,14 @@ extern const char* error_messages[];
  * @details Takes in a value of X and checks if it is Below 0. If so, then set
  * to 0. If not, then simply set back to whatever X was before.
  * @param[in] x Color channel: char
- * */
+ */
 #define CLAMP_MIN(x) (((x) < 0) ? 0 : (x))
 
 /**
  * @brief Contains values for PPM Image
  * @details Can be defined with just a name and filled later with ppm_load
  * as it stores information for header of file not the pixels of the image
- * */
+ */
 typedef struct
 {
 	int width;  /**< Image width in pixels */
@@ -124,7 +124,7 @@ typedef struct
  * @brief Contains values for JPEG Image
  * @details Can be defined with just a name and filled later with jpeg_load as
  * it stores information for header of file not the pixels of the image
- * */
+ */
 typedef struct
 {
 	int width;  /**< Image width in pixels */
@@ -140,7 +140,7 @@ typedef struct
  * then dividing later.
  * @param[in] clr Takes a packed color, unsigned int
  * @return unsigned long Packed color in 4 ints instead of one
- * */
+ */
 unsigned long
 u32to_u64(const unsigned int clr);
 
@@ -150,7 +150,7 @@ u32to_u64(const unsigned int clr);
  * @param[in] clr Takes a packed color, unsigned long
  * @param[in] u64_div Takes a divisor to break down to raw color
  * @return unsigned int Packed color in 1 int instead of 4
- * */
+ */
 unsigned int
 u64to_u32(const unsigned long clr, const unsigned long u64_div);
 
@@ -159,7 +159,7 @@ u64to_u32(const unsigned long clr, const unsigned long u64_div);
  * @details Prints metadata like Name, Format, Width, Height and Length
  * important for debugging errors
  * @param[in] src Pointer to src metadata of a PPM image
- * */
+ */
 void __attribute__((overloadable))
 print_attr(const PPM* src);
 
@@ -168,10 +168,16 @@ print_attr(const PPM* src);
  * @details Prints metadata like Name, Width, Height and Length
  * important for debugging errors
  * @param[in] src Pointer to src metadata of a JPEG image
- * */
+ */
 void __attribute__((overloadable))
 print_attr(const JPEG* src);
 
+/**
+ * @brief Finds start of extension in image name
+ * @details Loops through the character array starting from the end to find the
+ * start of the extension.
+ * @param[in] n Char array (str)
+ */
 size_t
 find_extension(const char* n);